[PATCH -mm 1/6] dma-mapping: fix dma_sync_single_range_*

From: FUJITA Tomonori
Date: Tue Apr 27 2010 - 08:30:44 EST


dma_sync_single_range_for_cpu and dma_sync_single_range_for_device
use a wrong address with a partial synchronization.

Signed-off-by: FUJITA Tomonori <fujita.tomonori@xxxxxxxxxxxxx>
Cc: stable@xxxxxxxxxx
---
include/asm-generic/dma-mapping-common.h | 4 ++--
1 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/include/asm-generic/dma-mapping-common.h b/include/asm-generic/dma-mapping-common.h
index e694263..6920695 100644
--- a/include/asm-generic/dma-mapping-common.h
+++ b/include/asm-generic/dma-mapping-common.h
@@ -131,7 +131,7 @@ static inline void dma_sync_single_range_for_cpu(struct device *dev,
debug_dma_sync_single_range_for_cpu(dev, addr, offset, size, dir);

} else
- dma_sync_single_for_cpu(dev, addr, size, dir);
+ dma_sync_single_for_cpu(dev, addr + offset, size, dir);
}

static inline void dma_sync_single_range_for_device(struct device *dev,
@@ -148,7 +148,7 @@ static inline void dma_sync_single_range_for_device(struct device *dev,
debug_dma_sync_single_range_for_device(dev, addr, offset, size, dir);

} else
- dma_sync_single_for_device(dev, addr, size, dir);
+ dma_sync_single_for_device(dev, addr + offset, size, dir);
}

static inline void
--
1.6.5

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